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发明名称
摘要
申请公布号
JPS6415113(U)
申请公布日期
1989.01.25
申请号
JP19870109880U
申请日期
1987.07.17
申请人
发明人
分类号
G01C19/56;G01P9/04;(IPC1-7):G01C19/56
主分类号
G01C19/56
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代理人
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